Summary statistics for PHYSN_EXT_FLTM_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
PHYSN_EXT_F~ |     37,813    .0153825    .1673357          0      10.29

by Jean Roth , jroth@nber.org , 19 Apr 2019